Fix flake8 warning W605 invalid escape sequence.

Author: graydon

benchmark/scripts/test_compare_perf_tests.py

@@ -591,7 +591,7 @@ def test_results_from_merge(self):
     def test_results_from_merge_verbose(self):
         """Parsing verbose log  merges all PerformanceTestSamples.
         ...this should technically be on TestPerformanceTestResult, but it's
-        easier to write here. ¯\_(ツ)_/¯"""
+        easier to write here. ¯\\_(ツ)_/¯"""
         concatenated_logs = """
     Sample 0,355883
     Sample 1,358817

utils/backtrace-check

@@ -36,8 +36,8 @@ formatting.""")
     args = parser.parse_args()
 
     TARGET_RE = re.compile(
-        "(?P<index>\d+) +(?P<object>\S+) +(?P<address>0x[0-9a-fA-F]{16}) "
-        "(?P<routine>[^+]+) [+] (?P<offset>\d+)")
+        r"(?P<index>\d+) +(?P<object>\S+) +(?P<address>0x[0-9a-fA-F]{16}) "
+        r"(?P<routine>[^+]+) [+] (?P<offset>\d+)")
 
     lines = sys.stdin.readlines()
 

utils/bug_reducer/tests/test_funcbugreducer.py

@@ -117,7 +117,7 @@ def test_basic(self):
                         "$s9testbasic6foo413yyF" in output)
         re_end = 'testfuncbugreducer_testbasic_'
         re_end += '92196894259b5d6c98d1b77f19240904.sib'
-        output_file_re = re.compile('\*\*\* Final File: .*' + re_end)
+        output_file_re = re.compile(r'\*\*\* Final File: .*' + re_end)
         output_matches = [
             1 for o in output if output_file_re.match(o) is not None]
         self.assertEquals(sum(output_matches), 1)

utils/bug_reducer/tests/test_optbugreducer.py

@@ -105,7 +105,7 @@ def test_basic(self):
         self.assertTrue('*** Found miscompiling passes!' in output)
         self.assertTrue('*** Final Passes: --bug-reducer-tester' in output)
         re_end = 'testoptbugreducer_testbasic_initial'
-        output_file_re = re.compile('\*\*\* Final File: .*' + re_end)
+        output_file_re = re.compile(r'\*\*\* Final File: .*' + re_end)
         output_matches = [
             1 for o in output if output_file_re.match(o) is not None]
         self.assertEquals(sum(output_matches), 1)
@@ -134,7 +134,7 @@ def test_suffix_in_need_of_prefix(self):
         self.assertTrue('*** Found miscompiling passes!' in output)
         self.assertTrue('*** Final Passes: --bug-reducer-tester' in output)
         re_end = 'testoptbugreducer_testsuffixinneedofprefix_initial'
-        output_file_re = re.compile('\*\*\* Final File: .*' + re_end)
+        output_file_re = re.compile(r'\*\*\* Final File: .*' + re_end)
         output_matches = [
             1 for o in output if output_file_re.match(o) is not None]
         self.assertEquals(sum(output_matches), 1)
@@ -167,7 +167,7 @@ def test_reduce_function(self):
         self.assertTrue('*** Final Passes: --bug-reducer-tester' in output)
         re_end = 'testoptbugreducer_testreducefunction_initial_'
         re_end += '30775a3d942671a403702a9846afa7a4.sib'
-        output_file_re = re.compile('\*\*\* Final File: .*' + re_end)
+        output_file_re = re.compile(r'\*\*\* Final File: .*' + re_end)
         output_matches = [
             1 for o in output if output_file_re.match(o) is not None]
         self.assertEquals(sum(output_matches), 1)

utils/cmpcodesize/cmpcodesize/compare.py

@@ -21,7 +21,7 @@
     ["CPP", re.compile('^(__Z|_+swift)')],
 
     # Objective-C
-    ["ObjC", re.compile('^[+-]\[')],
+    ["ObjC", re.compile(r'^[+-]\[')],
 
     # Swift
     ["Partial Apply", re.compile('^__(TPA|T0.*T[aA]$)')],
@@ -80,7 +80,7 @@ def read_sizes(sizes, file_name, function_details, group_by_prefix):
     architectures = subprocess.check_output(
         ["otool", "-V", "-f", file_name]).split("\n")
     arch = None
-    arch_pattern = re.compile('architecture ([\S]+)')
+    arch_pattern = re.compile(r'architecture ([\S]+)')
     for architecture in architectures:
         arch_match = arch_pattern.match(architecture)
         if arch_match:
@@ -115,10 +115,10 @@ def read_sizes(sizes, file_name, function_details, group_by_prefix):
     start_addr = None
     end_addr = None
 
-    section_pattern = re.compile(' +sectname ([\S]+)')
-    size_pattern = re.compile(' +size ([\da-fx]+)')
-    asmline_pattern = re.compile('^([0-9a-fA-F]+)\s')
-    label_pattern = re.compile('^((\-*\[[^\]]*\])|[^\/\s]+):$')
+    section_pattern = re.compile(r' +sectname ([\S]+)')
+    size_pattern = re.compile(r' +size ([\da-fx]+)')
+    asmline_pattern = re.compile(r'^([0-9a-fA-F]+)\s')
+    label_pattern = re.compile(r'^((\-*\[[^\]]*\])|[^\/\s]+):$')
 
     for line in content:
         asmline_match = asmline_pattern.match(line)

utils/create-filecheck-test.py

@@ -25,7 +25,7 @@
 args = parser.parse_args()
 
 seen_variables = set([])
-ssa_re = re.compile('[%](\d+)')
+ssa_re = re.compile(r'[%](\d+)')
 for line in args.input.readlines():
     line = line[:line.find('//')].rstrip() + "\n"
     have_match = False

utils/generate_confusables.py

@@ -57,7 +57,7 @@ def main(args=sys.argv):
 
     pairs = []
     with open(confusablesFilePath, 'r') as f:
-        pattern = re.compile("(.+)\W+;\W+(.+)\W+;")
+        pattern = re.compile(r"(.+)\W+;\W+(.+)\W+;")
         for line in f:
             match = pattern.match(line)
             if match is not None:

utils/gyb.py

@@ -99,7 +99,7 @@ def split_lines(s):
   )
 ''', re.VERBOSE | re.MULTILINE)
 
-gyb_block_close = re.compile('\}%[ \t]*\n?')
+gyb_block_close = re.compile(r'\}%[ \t]*\n?')
 
 
 def token_pos_to_index(token_pos, start, line_starts):

utils/jobstats/jobstats.py

@@ -199,7 +199,7 @@ def to_lnt_test_obj(self, args):
 AUXPAT = re.compile(AUXPATSTR)
 
 TIMERPATSTR = (r"time\.swift-(?P<jobkind>\w+)\." + AUXPATSTR +
-               "\.(?P<timerkind>\w+)$")
+               r"\.(?P<timerkind>\w+)$")
 TIMERPAT = re.compile(TIMERPATSTR)
 
 FILEPATSTR = (r"^stats-(?P<start>\d+)-swift-(?P<kind>\w+)-" +

utils/pass-pipeline/scripts/pipelines_build_script.py

@@ -24,8 +24,8 @@ def run_build_script_with_data_file(build_script, data_file, verbose=False):
     build_script_args = [
         build_script,
         DEFAULT_PRESENTS,
-        'extra_swift_args=^Swift$;-Xfrontend\;' +
-        '-external-pass-pipeline-filename\;-Xfrontend\;%s' % data_file]
+        r'extra_swift_args=^Swift$;-Xfrontend\;' +
+        r'-external-pass-pipeline-filename\;-Xfrontend\;%s' % data_file]
     sys.stdout.write("Running build script with: %s..." %
                      ' '.join(build_script_args))
     sys.stdout.flush()

utils/process-stats-dir.py

@@ -33,7 +33,7 @@
                       load_stats_dir, merge_all_jobstats)
 
 
-MODULE_PAT = re.compile('^(\w+)\.')
+MODULE_PAT = re.compile(r'^(\w+)\.')
 
 
 def module_name_of_stat(name):
@@ -439,7 +439,7 @@ def evaluate(args):
     vargs = vars_of_args(args)
     merged = merge_all_jobstats(load_stats_dir(d, **vargs), **vargs)
     env = {}
-    ident = re.compile('(\w+)$')
+    ident = re.compile(r'(\w+)$')
     for (k, v) in merged.stats.items():
         if k.startswith("time.") or '.time.' in k:
             continue
@@ -472,7 +472,7 @@ def evaluate_delta(args):
     new_stats = merge_all_jobstats(load_stats_dir(new, **vargs), **vargs)
 
     env = {}
-    ident = re.compile('(\w+)$')
+    ident = re.compile(r'(\w+)$')
     for r in compare_stats(args, old_stats.stats, new_stats.stats):
         if r.name.startswith("time.") or '.time.' in r.name:
             continue

utils/pygments/swift.py

@@ -33,7 +33,7 @@ class SwiftLexer(RegexLexer):
 
     _isa = r'([a-zA-Z_][a-zA-Z0-9_]*)(\s*)(:)(\s*)([A-Z0-9_][a-zA-Z0-9_]*)'
     _isa_comma = r'([a-zA-Z_][a-zA-Z0-9_]*)(\s*)(:)(\s*)' + \
-                 '([A-Z0-9_][a-zA-Z0-9_]*)(,\s?)'
+                 r'([A-Z0-9_][a-zA-Z0-9_]*)(,\s?)'
     _name = u'([@a-zA-Z_\U00000100-\U00100000]' + \
             u'[a-zA-Z0-9_\U00000100-\U00100000]*)'
 
@@ -206,7 +206,7 @@ class SwiftLexer(RegexLexer):
                 Name.Attribute,
                 Punctuation,
                 Whitespace)),
-            (':\s*', Punctuation),
+            (r':\s*', Punctuation),
             include('tuple'),
             include('var-isa-comma'),
             include('var-isa-pop'),
@@ -299,7 +299,7 @@ class SwiftLexer(RegexLexer):
         ],
 
         'in-interpolated': [
-            ('\)', String.Interpol, '#pop'),
+            (r'\)', String.Interpol, '#pop'),
             include('root2'),
         ],
 

utils/resolve-crashes.py

@@ -18,9 +18,9 @@ def execute_cmd(cmd):
 
 # The regular expression we use to match compiler-crasher lines.
 regex = re.compile(
-    '.*Swift(.*) :: '
-    '(compiler_crashers|compiler_crashers_2|IDE/crashers|SIL/crashers)'
-    '/(.*\.swift|.*\.sil).*')
+    r'.*Swift(.*) :: '
+    r'(compiler_crashers|compiler_crashers_2|IDE/crashers|SIL/crashers)'
+    r'/(.*\.swift|.*\.sil).*')
 
 # Take the output of lit as standard input.
 for line in sys.stdin:

utils/swift-bench.py

@@ -174,7 +174,7 @@ def process_source(self, name):
     N = CommandLine.arguments[1].toInt()!
   }
 """
-        main_body = """
+        main_body = r"""
   name = "%s"
   if CommandLine.arguments.count <= 2 || CommandLine.arguments[2] == name {
     let start = __mach_absolute_time__()